Impactswww.flickr.com Daniel Griffin: Will these ancient trees survive a drying West? Deep within the trunks of an ancient grove of big-cone Douglas fir trees lie traces of a megadrought 450 years in the past. But signs of the worst drought these trees have ever seen can now be found just beneath their bark.
Politicscommons.wikimedia.org The key to protecting Yosemite’s sequoias from wildfires? More fire For decades, the park has used prescribed fire to make its forests healthier—and it’s paying off right now to protect the famous Mariposa Grove.
Impactscommons.wikimedia.org Yosemite wildfire doubles in size, threatens over 500 giant sequoias Sequoias, the world’s largest trees, have been repeatedly imperiled in recent years as climate change increases the intensity of wildfires.
